Henry Single-Ply Roofing SCAQMD 1168 Compliant Low-VOC Water Cut-Off Butyl-Blend Mastic (Gray) 11 oz.

Seal. Protect. Simplify. Henry Low-VOC Water Cut-Off Mastic is a one-component, low-viscosity butyl-blend mastic designed to simplify your next membrane installation. This self-wetting mastic provides a highly effective seal between various membranes, making it the perfect solution for roofing and waterproofing systems. Ideal for use when membranes are terminated with a compression-type seal, Low-VOC Water Cut-Off Mastic ensures a tight, durable seal to keep water out. Its low-VOC formulation meets environmental standards without sacrificing performance, so you can achieve strong adhesion while staying compliant with regulations. Whether you’re sealing terminations or securing edges, Henry Low-VOC Water Cut-Off Mastic delivers superior protection against moisture and environmental wear, ensuring a long-lasting roofing system.

• Durable Seal – Ideal for compression-type terminations
• Remains Extremely Tacky – Stays sticky to ensure lasting seals
• Reliable Seal – Bonds various membranes to parapet wall surfaces